1047249 has 20 divisors (see below), whose sum is σ = 1788864. Its totient is φ = 598104.

The previous prime is 1047247. The next prime is 1047271. The reversal of 1047249 is 9427401.

It is a happy number.

It is not a de Polignac number, because 1047249 - 2¹ = 1047247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1047249 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047247) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 357 + ... + 1490.

2^1047249 is an apocalyptic number.

It is an amenable number.

1047249 is a deficient number, since it is larger than the sum of its proper divisors (741615).

1047249 is an equidigital number, since it uses as much as digits as its factorization.

1047249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1047249 is about 1023.3518456523. The cubic root of 1047249 is about 101.5507927649.

It can be divided in two parts, 1047 and 249, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1047249 in words is "one million, forty-seven thousand, two hundred forty-nine".